#intro {
    /*设置背景 不平铺  上下、左右居中*/
    background: url("../upload/b8.jpg") no-repeat center center;
    /* 拉伸背景图片  完全覆盖*/
    background-size: cover;
}
.top-nav-collapse {
    /*设置背景色  提升优先级*/
    background-color: #3949ab !important;
}

/*否定选择器*/
/* 背景色透明 */
.navbar:not(.top-nav-collapse) {
    background: transparent !important;
}




/*媒体查询*/
/*当屏幕宽度小于等于 768像素时 直接将顶部 navbar 导航条 改成蓝色*/
@media (max-width: 768px) {
	.navbar:not(.top-nav-collapse) {
    background: #3949ab !important;
	}
}

#intro .h6 {
    font-weight: 300;
    line-height: 1.7;
}

/*main.jpg 上加 渐变*/

.hm-gradient .full-bg-img {
    /*background: rgba(42, 27, 161, 0.7);*/
    background: linear-gradient(90deg, #bdbdbd, #f5f5f5，  100%);
}

/*屏幕小于 450像素时  居中 */
@media (max-width: 450px) {
	.margins {
    margin-right: 1rem;
    margin-left: 1rem;
	}
}
/*.features_pa{
	background: url("../upload/b8.jpg") no-repeat;
}
.pa{
	display:none;
}
.features_pa:hover .pa{
	display: block;
}
.features_pb{
	background: url("../upload/b4.jpg") no-repeat;
	
}
.features_pc{
	background: url("../upload/b3.jpg") no-repeat;
	
}
.features_pd{
	background: url("../upload/b2.jpg") no-repeat;
	
}*/
#pricing .lead {
    opacity: 0.7;
}

/*#pricing .card-image {
    background: url("../upload/b1 .jpg") no-repeat center center;
	background-size: cover;
}*/

#pricing ul li {
    font-size: 1.1em;
}

.scroll-to-top {
    height: 60px;
    width: 60px;
    position: fixed;
    bottom: 5%;
    right: 5%;
    /*display: none;*/
    z-index: 99999;
    cursor: pointer;
    text-align: center;
    border-radius: 50%;
    line-height: 77px;
    background-color: #4285f4;
}

.scroll-to-top .scroll-icon {
    font-size: 31px;
    line-height: 1;
    color: #ffffff;
    display: inline-block;
    -webkit-transition: all 0.3s;
    -o-transition: all 0.3s;
    transition: all 0.3s;
}

.scroll-to-top .scroll-icon:hover {
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg);
}

.totop {
    width: 50px;
    height: 50px;
    position: fixed;
    z-index: 99999;
    right: 60px;
    bottom: 90px;
	background: blue;
	border-radius: 25px;
}

.totop {
   display: inline-block !important;
}

.totop:not(.top-nav-collapse) {
    display: none !important;
}

.login-btn{
	margin-top: 20px;
}
.card .form1{
	margin-top: 200px;
}



/* preloader css start */
.preloader {
    position: fixed;
    top: 0px;
    left: 0px;
    right: 0px;
    bottom: 0px;
    background: #000000;
    z-index: 10;
}

.preloader .preloader-box {
    position: absolute;
    width: 345px;
    height: 30px;
    top: 50%;
    left: 50%;
    margin: -15px 0 0 -150px;
    -webkit-perspective: 200px;
}

.preloader .preloader-box div {
    position: relative;
    width: 30px;
    height: 30px;
    background: #CCC;
    float: left;
    text-align: center;
    line-height: 30px;
    font-family: Verdana;
    font-size: 20px;
    color: #FFF;
}

.preloader .preloader-box div:nth-child(1) {
    background: #3366FF;
    margin-right: 15px;
    -webkit-animation: movement 600ms ease 0ms infinite alternate;
}

.preloader .preloader-box div:nth-child(2) {
    background: #3366FF;
    margin-right: 15px;
    -webkit-animation: movement 600ms ease 75ms infinite alternate;
}

.preloader .preloader-box div:nth-child(3) {
    background: #3366FF;
    margin-right: 15px;
    -webkit-animation: movement 600ms ease 150ms infinite alternate;
}

.preloader .preloader-box div:nth-child(4) {
    background: #3366FF;
    margin-right: 15px;
    -webkit-animation: movement 600ms ease 225ms infinite alternate;
}

.preloader .preloader-box div:nth-child(5) {
    background: #3366FF;
    margin-right: 15px;
    -webkit-animation: movement 600ms ease 300ms infinite alternate;
}

.preloader .preloader-box div:nth-child(6) {
    background: #3366FF;
    margin-right: 15px;
    -webkit-animation: movement 600ms ease 375ms infinite alternate;
}

.preloader .preloader-box div:nth-child(7) {
    background: #3366FF;
    margin-right: 15px;
    -webkit-animation: movement 600ms ease 450ms infinite alternate;
}

.preloader .preloader-box div:nth-child(8) {
    background: #3366FF;
    -webkit-animation: movement 600ms ease 525ms infinite alternate;
}
@-webkit-keyframes movement {
    from {
        -webkit-transform: scale(1) translateY(0px) rotateX(0deg);
        box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    }

    to {
        -webkit-transform: scale(1.5) translateY(-25px) rotateX(45deg);
        box-shadow: 0 25px 40px rgba(0, 0, 0, 0.4);
        background: #3399FF;
    }
}

@-moz-keyframes movement {
    from {
        -webkit-transform: scale(1) translateY(0px) rotateX(0deg);
        box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    }

    to {
        -webkit-transform: scale(1.5) translateY(-25px) rotateX(45deg);
        box-shadow: 0 25px 40px rgba(0, 0, 0, 0.4);
        background: #3399FF;
    }
}

@-ms-keyframes movement {
    from {
        -webkit-transform: scale(1) translateY(0px) rotateX(0deg);
        box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    }

    to {
        -webkit-transform: scale(1.5) translateY(-25px) rotateX(45deg);
        box-shadow: 0 25px 40px rgba(0, 0, 0, 0.4);
        background: #3399FF;
    }
}

@keyframes movement {
    from {
        -webkit-transform: scale(1) translateY(0px) rotateX(0deg);
        box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    }

    to {
        -webkit-transform: scale(1.5) translateY(-25px) rotateX(45deg);
        box-shadow: 0 25px 40px rgba(0, 0, 0, 0.4);
        background: #3399FF;
    }
}

/* preloader css end */



.mbtn{
	background: linear-gradient(120deg,#f50057,#4a148c,#448aff);
	background-size: 200%;
	transition: all 0.5s;
	
}

.mbtn:hover{
	background-position: right;
}


 .black_overlay{      
		 display: none;          
		 position: absolute;           
		 top: 0%;           
		 left: 0%;          
		 width: 100%;            
		 height: 100%;            
		 background-color: black;            
		 z-index:1001;          
		 -moz-opacity: 0.8;            
		 opacity:.80;             
		 filter: alpha(opacity=88);        
		 }        
		 .white_content {       
			 display: none;            
			 position: absolute;       
			 top: 10%;          
			 left: 10%;           
			 width: 80%;          
			 height: 80%;            
			 padding: 20px;          
			 border: 5px solid skyblue;             
			 background-color: white;         
			 z-index:1002;           
			 overflow: auto;       
		 }    